First-pass extracted concept

light-gated ion channels

Candidate: concept label4 source documents4 linked claims

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Extracted Explainers

What the tool is doing

This is the contrasted rhodopsin class that passively transports ions in a light-dependent manner. The review notes that these were covered in other chapters rather than being the main focus here.

Source 2DOI PubMed

Light-gated ion channels are one of the actuator classes included under microbial opsins in the abstract. They mediate light-triggered control of cell behavior.

Source 4DOI PubMed

Resources required

They require expression in target cells and optical stimulation. No further implementation detail is provided in the abstract.

Source 4DOI PubMed

What problem it solves

They provide a route to optical control of excitable cells with specificity and speed.

Source 4DOI PubMed

Alternatives

The abstract explicitly contrasts light-gated ion channels with light-driven ion pumps.

Source 2DOI PubMed

The abstract groups them with light-gated pumps under microbial opsins and contrasts the overall approach with pharmacological and electrical perturbation.

Source 4DOI PubMed

Evidence Snippets

light-gated ion channels shape ion flux

Evidence 1Source 1DOI PubMedprovenance

They are categorized into light-gated ion channels and light-driven ion pumps. While the former passively transport various types of cations and anions in a light-dependent manner...

Evidence 2Source 2DOI PubMedprovenance

role of intracellular calcium and light-gated ion channels

Evidence 3Source 3DOIprovenance

microbial opsins (light-gated ion channels and pumps)

Evidence 4Source 4DOI PubMedprovenance

Supporting Sources

Source 1primary paper2025MEDDOI PubMed

1 evidence snippet 1 linked claim Claim 1

Source 2review2021Advances in experimental medicine and biologyDOI PubMed

1 evidence snippet 1 linked claim Claim 1

Source 3primary paper2016Scientific ReportsDOI

1 evidence snippet 1 linked claim Claim 1

Source 4review2013American Journal of Physiology-Heart and Circulatory PhysiologyDOI PubMed

1 evidence snippet 1 linked claim Claim 1

Linked Claims

Claim 1scope statementsupports2025Source 1DOI PubMed

The source describes optogenetic control modalities including light-gated ion channels, photoswitchable enzymes and receptors, light-controlled protein interactions, and light-regulated gene expression.

Quoted textsource-backed

light-gated ion channels shape ion flux; photoswitchable enzymes and receptors modulate signaling pathways; light-controlled protein interactions tune function; and light-regulated gene expression

Claim 2mechanism summarysupports2021Source 2DOI PubMed

Light-driven ion pumps actively transport specific ions including H+, Na+, and Cl- using light energy, in contrast to light-gated ion channels that passively transport ions.

Claim 3mechanistic involvementsupports2016Source 3DOI

The paper implicates intracellular calcium and light-gated ion channels in the blue- and green-light photobiomodulation effect on osteoblastic differentiation of human adipose-derived stem cells.

Claim 4performance summarysupports2013Source 4DOI PubMed

Microbial opsins can achieve fast and specific excitatory or inhibitory responses.

Quoted textsource-backed

These can achieve fast and specific excitatory or inhibitory response